Exact Entanglement Dynamics Beyond the Rotating Wave Approximation
S. M. Hashemi Rafsanjani, S. Agarwal, J. H. Eberly
TL;DR
This paper analytically investigates the entanglement dynamics of two remote qubits strongly interacting with harmonic oscillators, revealing that degenerate qubits do not generate bipartite entanglement between oscillators, unlike non-degenerate cases.
Contribution
It provides an exact analytical analysis of entanglement dynamics beyond the rotating wave approximation in the degenerate limit.
Findings
Degenerate qubits do not induce bipartite entanglement between oscillators.
Analytical solutions for entanglement dynamics beyond RWA.
Contrasts with non-degenerate RWA results.
Abstract
The entanglement dynamics of two remote qubits is examined analytically. The qubits interact arbitrarily strongly with separate harmonic oscillators in the idealized degenerate limit of the Jaynes-Cummings Hamiltonian. In contrast to well known non-degenerate RWA results, it is shown that ideally degenerate qubits cannot induce bipartite entanglement between their partner oscillators.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Quantum Computing Algorithms and Architecture